Holmium Chunk

High Purity Ho Chunk
CAS 7440-60-0


Product Product Code Order or Specifications
(2N) 99% Holmium Chunk HO-M-02-CK Contact American Elements
(3N) 99.9% Holmium Chunk HO-M-03-CK Contact American Elements
(4N) 99.99% Holmium Chunk HO-M-04-CK Contact American Elements
(5N) 99.999% Holmium Chunk HO-M-05-CK Contact American Elements

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem SID PubChem CID MDL No. EC No Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
Ho 7440-60-0 24869411 23988 MFCD00011049 231-169-0 N/A [Ho] InChI=1S/Ho KJZYNXUDTRRSPN-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance Density Tensile Strength Melting Point Boiling Point Thermal Conductivity Electrical Resistivity Eletronegativity Specific Heat Heat of Vaporization Heat of Fusion MSDS
164.93 Silvery 8.795 gm/cc N/A 1474 °C 2695°C 0.162 W/cm/ K @ 298.2 K 87.0 microhm-cm @ 25°C 1.2 Paulings 0.0393 Cal/g/ K @ 25 °C 67 K-Cal/gm atom at 2695°C 4.10 Cal/gm moleSafety Data Sheet

High Purity ChunkAmerican Elements specializes in producing high purity Holmium Chunk using crystallization, solid state and other ultra high purification processes such as sublimation. Standard Chunk pieces are amorphous uniform pieces ranging in size from 5-15 mm. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into granules, rod, bar or plate form, as well as other machined shapes and through other processes such as nanoparticles (See also application discussion at Nanotechnology Information and at Quantum Dots) and in the form of solutions and organometallics. See research below.We also produce Holmium as rod, pellets, powder, pieces, disc, ingot, wire, and in compound forms, such as oxide. Other shapes are available by request.

Holmium Bohr ModelHolmium Element SymbolHolmium (atomic symbol: Ho, atomic number: 67) is a Block F, Group 3, Period 6 element with an atomic radius of 164.93032. The number of electrons in each of Holmium's shells is [2, 8, 18, 29, 8, 2] and its electron configuration is [Xe] 4f11 6s2. The holmium atom has a radius of 176 pm and its Covalent radius is 192±7 pm. Holmium was first discovered by Marc Delafontaine in 1878. Elemental Holmium Picture In its elemental form, holmium has a silvery white appearance. It is relatively soft and malleable. It is stable in dry air at room temperature but rapidly oxidizes at elevated temperatures and in moist air. Holmium has unusual magnetic properties. Its name is derived from the Latin word Holmia meaning Stockholm. For more information on Holmium, including properties, satefy data, research, and American Elements' catalog of Holmium products, visit the Homium Information Center.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
Danger
H228
N/A
N/A
N/A
N/A
N/A
3
Flame-Flammables        

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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


Have a Question? Ask a Chemical Engineer or Material Scientist
Request an MSDS or Certificate of Analysis





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Production Catalog Available in 36 Countries & Languages


Recent Research & Development for Holmium

  • Optimizing Use of the Holmium:YAG Laser for Surgical Management of Urinary Lithiasis. Patel AP, Knudsen BE. Curr Urol Rep. 2014
  • Holmium-yttrium aluminum garnet laser lithotripsy in the treatment of biliary calculi using single-operator cholangioscopy: a multicenter experience (with video). Patel SN, Rosenkranz L, Hooks B, Tarnasky PR, Raijman I, Fishman DS, Sauer BG, Kahaleh M. Gastrointest Endosc. 2014 Feb.
  • Holmium(III)-selective fluorimetric optode based on N,N-bis(salicylidene)-naphthylene-1,8-diamine as a neutral fluorogenic ionophore. Ganjali MR, Hosseini M, Karimi A, Haji-Hashemi H, Salavati-Niasari M, Norouzi P. Spectrochim Acta A Mol Biomol Spectrosc. 2014 Mar.
  • Safety and feasibility of concomitant surgery during holmium laser enucleation of the prostate (HoLEP). Patel A, Nunez R, Mmeje CO, Humphreys MR. World J Urol. 2014 Feb.
  • HOLMIUM LASER ENUCLEATION OF THE PROSTATE AND PERIOPERATIVE DIAGNOSIS OF PROSTATE CANCER: AN OUTCOMES ANALYSIS. Rivera ME, Frank I, Viers BR, Rangel LJ, Krambeck AE. J Endourol. 2014 Feb.
  • Holmium laser enucleation of the prostate versus transurethral resection of the prostate: a randomized clinical trial. Sun N, Fu Y, Tian T, Gao J, Wang Y, Wang S, An W. Int Urol Nephrol. 2014 Feb. 
  • A Novel Paraboloid Intracorporeal Lithotripter: Computer Aided Design Analysis and In Vitro Comparison with Holmium Laser for Large Renal Calculi. Rawandale-Patil A, Mulay A, Patni LG, Patil P. J Endourol. 2014 Jan.
  • Holmium-yttrium aluminum garnet laser lithotripsy in the treatment of biliary calculi using single-operator cholangioscopy: a multicenter experience (with video). Gastrointest Endosc. 2013 create date:2013/11/26 | first author:Patel SN
  • Sialoendoscopy with and without holmium:YAG laser-assisted lithotripsy in the management of obstructive sialadenitis of major salivary glands. Sionis S, Caria RA, Trucas M, Brennan PA, Puxeddu R. Br J Oral Maxillofac Surg. 2014 Jan
  • Holmium:YAG Transurethral Incision Versus Laser Photoselective Vaporization for Benign Prostatic Hyperplasia in a Small Prostate. Elshal AM, Elkoushy MA, Elmansy HM, Sampalis J, Elhilali MM. Urol. 2014 Jan.
  • Effect of Holmium Laser Enucleation of Prostate on Overactive Bladder Symptoms and Urodynamic Parameters: A Prospective Study. Kwon O, Lee HE, Bae J, Oh JK, Oh SJ. Urology. 2013 Dec.
  • Thermal properties of holmium-implanted gold films for a neutrino mass experiment with cryogenic microcalorimeters. Prasai K, Alves E, Bagliani D, Yanardag SB, Biasotti M, Galeazzi M, Gatti F, Gomes MR, Rocha J, Uprety Y. Rev Sci Instrum. 2013.
  • Holmium Laser Enucleation of the Prostate Is Safe in Patients with Prostate Cancer and Lower Urinary Tract Symptoms-A Retrospective Feasibility Study. Becker A, Placke A, Kluth L, Schwarz R, Isbarn H, Chun F, Heuer R, Schlomm T, Seiler D, Engel O, Fisch M, Graefen M, Ahyai SA. J Endourol. 2013 Dec.
  • Percutaneous transhepatic endoscopic holmium laser lithotripsy for intrahepatic and choledochal biliary stones. Ierardi AM, Fontana F, Petrillo M, Floridi C, Cocozza E, Segato S, Abbas HA, Mangano A, Carrafiello G, Dionigi R. Int J Surg. 2013 Dec
  • Use of holmium:YAG laser in posterior urethral valves: Another method of fulguration. J Pediatr Urol. 2013 create date:2013/05/11 | first author:Mandal S
  • Sialoendoscopy with and without holmium:YAG laser-assisted lithotripsy in the management of obstructive sialadenitis of major salivary glands. Br J Oral Maxillofac Surg. 2013 | first author:Sionis S
  • A novel paraboloid intracorporeal lithotripter: CAD analysis and invitro comparison with Holmium laser for large renal calculi. J Endourol. 2013 create date:2013/11/16 | first author:Rawandale-Patil AV
  • Stabilizing the magnetic moment of single holmium atoms by symmetry. Nature. 2013 create date:2013/11/15 | first author:Miyamachi T
  • In Vitro Fragmentation Efficiency of Holmium:YAG Laser Lithotripsy - A Comprehensive Study Encompassing Different Frequencies, Pulse Energies, Total Power Levels and Laser Fibre Diameters. Kronenberg P, Traxer O. BJU Int. 2013.
  • Flexible cystoscopy and Holmium:Yttrium aluminum garnet laser ablation for recurrent nonmuscle invasive bladder carcinoma under local anesthesia. Syed HA, Talbot N, Abbas A, MacDonald D, Jones R, Marr TJ, Rukin NJ. J Endourol. 2013.